Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Preferred Sleep Diagnostics

Organization Sleep Disorder Diagnostic Clinic/Center · NPI 1104369503

Preferred Sleep Diagnostics is a Sleep Disorder Diagnostic Clinic/Center in Fullerton, California. Registered with an NPI since 2016.

In the registry since
2016

Practice location Address checks out

100 Laguna Rd Ste 205
Fullerton, CA 92835-3633
Phone: (714) 525-6500
Fax: (714) 489-8140
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Disorder Diagnostic Clinic/Center (primary) Taxonomy 261QS1200X

Record details

NPI number1104369503
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Nathaniel Gumm — Ceo · (714) 525-6500
NPI enumeratedDecember 2, 2016
Last updated in NPPESDecember 2, 2016
Mailing address100 Laguna Rd, Ste 205, Fullerton, CA 92835-3633

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